Question

Is this relation a function? Justify your answer.

10
9
8
7
B
5
4
.
3
2
1 2 3 4 5 6 7 8 9 10 11
A. Yes, because every x- and y-value is positive.
OB. No, because two points with the same x-value have different ya
values,
OC. Yes, because the number of x-values is the same as the number o
y values
D. No, because two points with the same y-value have different x-
values

Answer 1

B

Explanation:

Eveey input must have exactly one output, x is always the input and y is the output and there are two y outputs on one x input so it is not a function.

Hope this helps! If you have any questions on how I got my answer feel free to ask. Stay safe!